Jellyfish can do what birds and turtles can't -- detect the direction of ocean currents and strongly swim against them.
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PHOTO OF THE WEEK

Photo of the Week: Managing California's Electrical Grid is No Small Task

The California Independent System Operator is like a giant pool of electricity with streams constantly flowing in and out, and operators must keep that flow in balance 24 hours a day, seven days a week.
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PHOTO OF THE WEEK

Photo of the Week: Hong Kong Waterfront Glows Fluorescent Blue

This fluorescent coloring is created by an algae bloom called Noctiluca scintillans, which is more commonly known as 'Sea Sparkle."
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PHOTO OF THE WEEK

Photo of the Week: Australian Architects Build 'Inside-Out' Home Extension

"It is both inside and outside. It is both a new building and an old ruin. It is both garden and home.
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